package thinkingJava.chapter10;
interface Service {
	void method1();
	void method2();
}
interface ServiceFactory {
	Service getService();
}
class Implementation1 implements Service {
	private Implementation1(){
	}

	public void method1() {
		System.out.println("Implementation1 method1()");
	}
	public void method2() {
		System.out.println("Implementation1 method2()");
	}
	public static ServiceFactory factory =
		new ServiceFactory(){
			public Service getService() {
				return new Implementation1();
			}
		};
}
class Implementation2 implements Service {
	private Implementation2(){
	}
	public void method1() {
		System.out.println("Implementation2 method1()");
	}
	public void method2() {
		System.out.println("Implementation2 method2()");
	}
	public static ServiceFactory factory =
		new ServiceFactory(){
		public Service getService(){
			return new Implementation2();
		}
	};
}
public class Factories {
	public static void serviceConsumer(ServiceFactory fact) {
		Service s = fact.getService();
		s.method1();
		s.method2();
	}
	public static void main(String[] args) {
		serviceConsumer(Implementation1.factory);
		serviceConsumer(Implementation2.factory);
	}
}
